3887920532 has 6 divisors (see below), whose sum is σ = 6803860938. Its totient is φ = 1943960264.

The previous prime is 3887920513. The next prime is 3887920537. The reversal of 3887920532 is 2350297883.

It can be written as a sum of positive squares in only one way, i.e., 2990558596 + 897361936 = 54686^2 + 29956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887920537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485990063 + ... + 485990070.

It is an arithmetic number, because the mean of its divisors is an integer number (1133976823).

Almost surely, 2^3887920532 is an apocalyptic number.

It is an amenable number.

3887920532 is a deficient number, since it is larger than the sum of its proper divisors (2915940406).

3887920532 is a wasteful number, since it uses less digits than its factorization.

3887920532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971980137 (or 971980135 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 3887920532 is about 62353.1918349013. The cubic root of 3887920532 is about 1572.4341232282.

The spelling of 3887920532 in words is "three billion, eight hundred eighty-seven million, nine hundred twenty thousand, five hundred thirty-two".